Finding the Fourth Proportional to 203,570.03, 305,207.42 and 136,844.66
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Solution
The fourth proportional to 203,570.03, 305,207.42 and 136,844.66 is: 205,167.75
Step by Step Solution
- Step 1: Write the proportion equation
203,570.03 : 305,207.42 = 136,844.66 : x - Step 2: Convert to fraction form
203,570.03/305,207.42 = 136,844.66/x - Step 3: Cross multiply
203,570.03x = 305,207.42 × 136,844.66 - Step 4: Simplify right side
203,570.03x = 41,766,003,409.12 - Step 5: Solve for x
x = 41,766,003,409.12/203,570.03 - Step 6: Final answer
x = 205,167.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.